Coherent A/D: fix the G2 version to actually be a G2

Change-Id: I4736dc3d21eb1b8bee15ce11f3205e036f9346ee
diff --git a/board/czechlight/clearfog/sdn-roadm-coherent-a-d-g2-clearfog.dts b/board/czechlight/clearfog/sdn-roadm-coherent-a-d-g2-clearfog.dts
index 99a6f1d..2eec33f 100644
--- a/board/czechlight/clearfog/sdn-roadm-coherent-a-d-g2-clearfog.dts
+++ b/board/czechlight/clearfog/sdn-roadm-coherent-a-d-g2-clearfog.dts
@@ -1,4 +1,3 @@
-#define CLEARFOG_REV1
 #include "sdn-roadm-clearfog.dtsi"
 
 &lumentum_ocm {